<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
{{with "太子"}}
<div>修改后的数据是: {{.}}</div>
{{end}}
<hr/>
{{with ""}}
<div>接收的数据还是: {{.}}</div>
{{else}}
<div>修改后的数据是: {{.}}</div>
{{end}}
</body>
</html>